Home / 14,955.30-20,645.69-9,653.04

Finding the Fourth Proportional to 14,955.30, 20,645.69 and 9,653.04

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Solution

The fourth proportional to 14,955.30, 20,645.69 and 9,653.04 is: 13,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.30 : 20,645.69 = 9,653.04 : x
  2. Step 2: Convert to fraction form
    14,955.30/20,645.69 = 9,653.04/x
  3. Step 3: Cross multiply
    14,955.30x = 20,645.69 × 9,653.04
  4. Step 4: Simplify right side
    14,955.30x = 199,293,623.13
  5. Step 5: Solve for x
    x = 199,293,623.13/14,955.30
  6. Step 6: Final answer
    x = 13,325.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.